Edit Plant: Silphium perfoliatum

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'''''Silphium perfoliatum''''' is a herbaceous perennial flowering plant in [[Asteraceae]], the aster family, it is native from Eastern and Central North America. It grows in prairies, open woodlands, and on stream banks. {{Inc| Silphium perfoliatum, Linn. (S. erythrocaulon, Bernh.). Cup Plant. Indian Cup. St. square, usually dentate, branched above, about 6 ft. high: lvs. thin, ovate or deltoid-ovate, the lower contracted into margined petioles, the upper opposite, connate-perfoliate: fl.- heads 2-3 in. across, with 20-30 rays. July. Aug. Ont. to S. D. and Ga. {{SCH}} }} ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== There are two varieties: ''Silphium perfoliatum'' var. ''connatum'' and ''Silphium perfoliatum'' var. ''perfoliatum'' .<ref>[http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=530387 ITIS Standard Report Page: Silphium perfoliatum var. connatum]</ref> ==Gallery== <gallery perrow=5> File:Silphium perfoliatum.JPG| photo 1 File:Cup plant.jpg| photo 2 Image:Upload.png| photo 3 </gallery> ==References== <references/>    ==External links== *{{wplink}} {{stub}} __NOTOC__

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